<template>
    <div class="wrapper">
      <!-- header部分 -->
      <header>
        <p>在线支付</p>
      </header>
  
      <!-- 订单信息部分 -->
      <h3>订单信息：</h3>
      <div class="order-info">
        <p>
          {{ orders.business.businessName }}
          <i class="fa fa-caret-down" @click="detailetShow"></i>
        </p>
        <p>&#165;{{ orders.orderTotal }}</p>
      </div>
  
      <!-- 订单明细部分 -->
      <ul class="order-detailet" v-show="isShowDetailet">
        <li v-for="item in orders.list" :key="item.odId">
          <p>{{ item.food.foodName }} x {{ item.quantity }}</p>
          <p>&#165;{{ item.food.foodPrice * item.quantity }}</p>
        </li>
        <li>
          <p>配送费</p>
          <p>&#165;{{ orders.business.deliveryPrice }}</p>
        </li>
      </ul>
  
      <!-- 支付方式部分 -->
      <ul class="payment-type">
        <li>
          <img src="../assets/logo.png" />
          <i class="fa fa-check-circle"></i>
        </li>
        <li>
          <img src="../assets/logo.png" />
        </li>
      </ul>
      <div class="payment-button">
        <button>确认支付</button>
      </div>
  
      <!-- 底部菜单部分 -->
      <Footer></Footer>
    </div>
  </template>
  
  <script setup>
  import Footer from "../components/Footer.vue";
  import qs from "qs";
  import { useRouter, useRoute } from "vue-router";
  import { ref, inject, onMounted, onUnmounted } from "vue";
  
  const axios = inject("axios");
  const router = useRouter();
  const route = useRoute();
  
  const orderId = route.query.orderId;
  const orders = ref({ business: {} });
  const isShowDetailet = ref(false);
  
  const init = () => {
    axios
      .post(
        "OrdersController/getOrdersById",
        qs.stringify({
          orderId: orderId,
        })
      )
      .then((response) => {
        orders.value = response.data;
      })
      .catch((error) => {
        console.error(error);
      });
  };
  init();
  
  onMounted(() => {
    //这里的代码是实现：一旦路由到在线支付组件，就不能回到订单确认组件。
    //先将当前url添加到history对象中
    history.pushState(null, null, document.URL);
    //popstate事件能够监听history对象的变化
    window.onpopstate = () => {
      router.push({ path: "/index" });
    };
  });
  
  onUnmounted(() => {
    window.onpopstate = null;
  });
  
  const detailetShow = () => {
    isShowDetailet.value = !isShowDetailet.value;
  };
  </script>
  
  <style scoped>
  /****************** 总容器 ******************/
  .wrapper {
    width: 100%;
    height: 100%;
  }
  
  /****************** header部分 ******************/
  .wrapper header {
    width: 100%;
    height: 12vw;
    background-color: #0097ff;
    color: #fff;
    font-size: 4.8vw;
  
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
  
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  /****************** 订单信息部分 ******************/
  .wrapper h3 {
    margin-top: 12vw;
    box-sizing: border-box;
    padding: 4vw 4vw 0;
  
    font-size: 4vw;
    font-weight: 300;
    color: #999;
  }
  
  .wrapper .order-info {
    box-sizing: border-box;
    padding: 4vw;
    font-size: 4vw;
    color: #666;
  
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .wrapper .order-info p:last-child {
    color: orangered;
  }
  
  /****************** 订单明细部分 ******************/
  .wrapper .order-detailet {
    width: 100%;
  }
  
  .wrapper .order-detailet li {
    width: 100%;
    box-sizing: border-box;
    padding: 1vw 4vw;
  
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .wrapper .order-detailet li p {
    font-size: 3vw;
    color: #666;
  }
  
  /****************** 支付方式部分 ******************/
  .wrapper .payment-type {
    width: 100%;
  }
  
  .wrapper .payment-type li {
    width: 100%;
    box-sizing: border-box;
    padding: 4vw;
  
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .wrapper .payment-type li img {
    width: 33vw;
    height: 8.9vw;
  }
  
  .wrapper .payment-type li .fa-check-circle {
    font-size: 5vw;
    color: #38ca73;
  }
  
  .wrapper .payment-button {
    width: 100%;
    box-sizing: border-box;
    padding: 4vw;
  }
  
  .wrapper .payment-button button {
    width: 100%;
    height: 10vw;
    border: none;
    /*去掉外轮廓线*/
    outline: none;
    border-radius: 4px;
    background-color: #38ca73;
    color: #fff;
  }
  </style>